BlackRock Portfolio Management LLC - 05 Sep 2025 SCHEDULE 13D/A Report for MediaCo Holding Inc. Class A common stock, par value $0.01 per share (MDIA)

Filing Manager: BlackRock Portfolio Management LLC
Reporting Manager: BlackRock Portfolio Management LLC
Security: MediaCo Holding Inc. Class A common stock, par value $0.01 per share
Symbol: MDIA
Shares outstanding: 76,480,425 shares
Disclosed Ownership: 35,257,476 shares
Ownership: 46%
Form type: SCHEDULE 13D/A
Filing time: 08 Sep 2025, 16:05:23 UTC
Date of event: 05 Sep 2025
Previous filing: 03 Jul 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock Portfolio Management LLC	46%	35,257,476	35,257,476	0	/s/ Joseph Virgilio	Joseph Virgilio, Attorney-in-Fact	0002052113